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Finding the Fourth Proportional to 605,030.10, 907,545.15 and 522,086.10

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Solution

The fourth proportional to 605,030.10, 907,545.15 and 522,086.10 is: 783,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,030.10 : 907,545.15 = 522,086.10 : x
  2. Step 2: Convert to fraction form
    605,030.10/907,545.15 = 522,086.10/x
  3. Step 3: Cross multiply
    605,030.10x = 907,545.15 × 522,086.10
  4. Step 4: Simplify right side
    605,030.10x = 473,816,707,937.42
  5. Step 5: Solve for x
    x = 473,816,707,937.42/605,030.10
  6. Step 6: Final answer
    x = 783,129.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.